ModelClock
Release announced
Released on May 28, 2026
Anthropic announced this model on 2026-05-28. Claude API, Amazon Bedrock, Google Cloud, and Microsoft Foundry.
- Hosting route
- First-party API
- Affected scope
- Claude API, Amazon Bedrock, Google Cloud, and Microsoft Foundry
- Announced
- May 28, 2026
- First seen by ModelClock
- Oct 3, 2026
What the provider published
platform.claude.com ↗
- We've launched Claude Opus 4.8 ( claude-opus-4-8 ), our most capable model.
Read from the provider's text; the quote is the provider's exact lines.
